What matrices are equal to... ?

What Matrices Are Equal To... ?

Answers

Answer 1

Answer:

second one. I guess

Step-by-step explanation:

cause I calculated It ..and I think it's the answer

Answer 2

Answer:I hope my answer will helps you

What Matrices Are Equal To... ?

Related Questions

A central angle measures 270 degrees . If the radius of the circle is 12 cm , what is the length of the arc intercepted by the central angle ?

Answers

Answer:

12 R cm

Step-by-step explanation:

In 1971, the average price of gasoline was $0.36 per gallon. In 2020, the average price of gasoline was $2.32 per gallon. a. What is the percent increase, rounded to the nearest whole number, in the cost of a gallon of gasoline from 1971 to 2020? b. What is the percent decrease, rounded to the nearest whole number, in the cost of a gallon of gasoline from 2020 to 1971? 2. Last year, DeKalb Middle School had 140 7 thgraders. The number of 8 thgraders was 125% of the number of 7 thgraders. How many 8 thgraders were there last year? 3. Find the balance of a savings account at the end of 4 years if the interest earned each year is 5.5%. The principal is $700.

Answers

Answer:

1. a. 544%

b. 84%

2. 175

3. $867.18

Step-by-step explanation:

1. a.2.32-0.36=1.96

1.96/0.36=5.44

5.44*100=544

b. 1.96/2.32=0.84

0.84*100=84

2. let x = # of 7th graders

let y = # of 8th graders

y is 125% of x

y=1.25x

x=140

y=1.25*140

y=175

3. A=P(1+r)^t

A=700(1+0.055)^4

A=867.18

Find the unknown side of the triangle below.
9 in
18.8 in
15 in
8 in

Answers

It’s 9
If you do a^2+b^2=c^2 which basically means 8+x=17, x would add up with 8 to 17. So that’s why it’s 9 :)

Answer:

its actually 15 inches, cause if you bring the bottom line up and compare it to the 17 line its a smidge shorter so go with the largests number the less then 17. theres proof for the quiz itself

Step-by-step explanation:

The equation h=60-4m gives the height h (in inches) of the water in a tank m minutes after it starts to drain

Answers

Answer:

40m

Step-by-step explanation:

Complete question

The equations h = 60 - 4m gives the height h (in inches) of the water in a tank m minutes after it starts to drain. How high is the water after 5 minutes.

To get the height of the water after 5minutes, we will find h at when m = 5

h = 60 -4 (5)

h = 60 - 20

h = 40m

Hence the water is 40m high after 5minutes

Simplify :

- 1/2 (4/5 _ 8y)

Answers

Answer:

[tex] - \frac{1}{2} ( \frac{4}{5} - 8y) \\ = - \frac{4}{10} + \frac{8y}{2} \\ = - \frac{2}{5} + 4y \\ = \frac{ - 2 + 5 \times 4y}{5} = \frac{ - 2 + 20y}{5} \\ - 2 + 20y = 0 \\ 20y = 2 \\ y = \frac{1}{10} [/tex]

If y varies directly as x, and y =-4 when x=8, find y when x=3

Answers

Answer: Another way of looking at it!

y

=

10

Explanation:

This is a ratio question in disguise.

By parts of the question:

"When y varies directly with x"

y

x

"

"if y=8 when x=4"

.

.

y

x

=

8

4

"how do you find y when x=5"

y

x

=

8

4

=

y

5

so

y

=

8

×

5

4

=

10

This is the same thing as using 'k' in the other solution

Step-by-step explanation:

On three days, Ben throws darts at a target.

Here are his results.

Number of throws

Number of hits

Number of misses

40

30

10

30

18

Monday

Tuesday

Wednesday

Total

12

50

36

14

120

84

36


b) Use the total of the results to estimate the

probability of Ben of hitting the target.

Answers

Answer:

[tex]P(Hits) = 0.70[/tex]

Step-by-step explanation:

Given

[tex]Throws = 120[/tex]

[tex]Hits = 84[/tex]

[tex]Miss = 36[/tex]

See attachment for result

Required

Determine the probability of hitting the target

This calculated using:

[tex]P(Hits) = \frac{n(Hits)}{n(Throws)}\\[/tex]

[tex]P(Hits) = \frac{84}{120}[/tex]

[tex]P(Hits) = 0.70[/tex]

Hence, the probability of hitting the target is 0.70

Graph the line y = x + 6.

To graph a line, plot any two points on the line.

Answers

Your Graph would look like this

Step-by-step explanation:

i chose the points -6,0 and 6,0

I need the answer to this it’s so hard I’d appreciate the help a lot

Answers

Answer is 2 and 22 I just divided by 2
The answer is 10 yep sure is cause yep

Determine how much you would receive in return for a 8 month, $500 loan to a friend if you charged the 3% annual interest. Show your work.

Answers

Answer: 15

Step-by-step explanation: Ellen

Answer:

$15

Step-by-step explanation:

i need help pleaseee .

Answers

Answer:

3.78 yd

Step-by-step explanation:

Rectangle area = length x width

a = (w+10)*w = w² + 10w = 52

w² + 10w - 52 = 0

w = (-10 ± √10²-4*1*(-52)) / 2 = (-10 ± √308)/2 = (-10 ± 17.55)/2

width must be positive: w = (-10 + 17.55)/ 2 = 7.55/2 = 3.78

Select the correct answer.
There were 800 farmers' markets initially in the USA in 2012. In 2013, the number of farmers' markets was 1.25 times the initial number of farmers' markets. Then, in 2014, the number of farmers' markets was 1.25 times the number of farmers' markets the previous year. If this pattern continues, which of the following graphs represents the number of farmers' markets in the USA over time?

Answers

Answer:

Graph Z or D

Step-by-step explanation:

Starts at 800 and goes up to around 4 and ends

Answer:

its Z

Step-by-step explanation:

Please help asap!! I will mark you as brainliest. :)

Answers

the measure of the angle 5 is hekdbssj and the rleation
3,6, and 7 are all equal

7+
2-
3+
3-
-
7+
1-
4

Answers

Answer:-15

Step-by-step explanation:

Answer:

umm... thirteen....

13

Tim is constructing a triangle with sides measuring 3 inches and 6 inches. Which could not be the length of the third side? A 2 in. B 4 in. C 6 in. D 8 in.

Answers

The answer is A 2.

The third side must be > A - B or 6 - 3 = 3.

The third side must be > 3 so only 2 does not fit.

1. Rob's favorite class is woodworking. For his last
project, Rob glued together 7 strips of wood
side-by-side to make a decorative sign. Each strip of
wood had the same width. His finished sign was 14
inches wide. How many inches wide was each strip
of wood?
A. 2 inches
B. 91 inches
C. 21 inches
D. 7 inches

Answers

Answer:

Wouldn't it be 2 because of 14÷7?

solve for x
8x = -14

Answers

Answer:

-7/4

Step-by-step explanation:

8x=-14

X=-14/8

X=-7/4

X=7/4-
I hope this helps

A container is in the shape of a cuboid the cuboid is 2/3 full of water a cup holds 275 ml of water what is the greatest number of cups

Answers

Answer:

12 cups

Step-by-step explanation:

The first step is to calculate the volume of the cubiod

= 36 × 6 × 23

= 4968

= 4968/3 ×2

= 1656×2

= 3312

Therefore the greatest number of cups can be calculated as follows

= 3312/275

= 12

Hence the greatest number of cups is 12 cups

A current of electricity flowing through a wire will create a(n)

Answers

Answer:

energy

Step-by-step explanation:

or electricity

Please do number 15 for me

Answers

Answer:

C

Step-by-step explanation:

2x -15 +3x -5 = 180

5x -20 = 180

5x = 180+20 = 200

x = 200/5 = 40

3x -5 = 3(40)-5 = 120-5 = 115

2x -15 = 2(40) - 15 = 80-15 = 65

Sarah drove 116 miles in 4 hours .If she drove at a constant rate,how far did she travel each hour?

Answers

Answer:

29 miles

Step-by-step explanation:

116 divided by 4

Answer: 29 mph

Hope this helps :)

Kai is developing a multimedia presentation on multicellular organisms. Which of the following will she include in her report?

A. fungi
B. yeasts
C. bacteria
D. prokaryotes

Answers

Answer:

Fungi

Step-by-step explanation:

HELP ANOTHER ONE, Need anwser before time runs out...

Answers

Answer: 0

Step-by-step explanation:

the answer is 1 if there is still time


[tex]6x - 2y = 18[/tex]
what is the answer​

Answers

Answer:

x could be 3 and y could be 0

x=3

y=0

Step-by-step explanation:

need the whole question, unless there are multiple correct answers

Answer:

x = 4 and y = 3

Step-by-step explanation:

A standard die is rolled 12 times and a 2 comes up 3 times. The experimental probability of rolling a 2 with this die is?

Answers

Answer:

1/4

Step-by-step explanation:

Number of trials = 12

Number of successes = 3

Experimental probability = (Number of successes / total number of trials)

Hence,

Experimental probability of obtaining a 2:

= 3 / 12

= 1/4

Use the function f(x)=3 sin⁡(xπ/2)+2 to answer parts A - F. Show steps for C, D and E.

Answers

And the steps???????

PLSSS HELP
correct answer get brainliest

Answers

h= 6 units

i might be wrong sorry

May you plz help me I am struggling with slopes

Answers

Answer:

(1,-5) basically x and y -5 is your y and 1 is your rise and run.

Step-by-step explanation:

un auto de carreras puede frenar a razón de -8.0m/s2.
a.si viaja a 38m/s,¿cuantos metros recorrerán antes de detenerse.?
b.¿cuantos metros recorrerán si viaja a 75m/s?​

Answers

Answer:

25  i used g00gle trans

Step-by-step explanation:

It says solve for the variable I do t understand

Answers

Answer:

x=11

Step-by-step explanation:

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